/**
 * Trail Interface
 * @author Lukas Koell
 * @author David Medenjak
 * @author Johannes Riedmann
 */
public interface ITrail extends Trailable{
    
    /**
     * unhangs the trail from its hitch
     * @return the trail | null if the trail cannot be unhanged
     */
    public Trail unHang();
}
